Ya don't gotta have 'em, but under certain conditions, "they" sometimes can be of great benefit, as can knowing what you're discussing before you hit the "Post" button.

"They" are not the same.

Hint: Before typing another inane comment, look for a reliable source of information about subjects such as: concrete curing, contraction, control joints, expansion, and fiber reinforced concrete online* or in a printed glossary of very common, basic, elementary construction terms/concepts/methods.

Take your vorpal sword in hand and slay the manxome foe of ignorance. Read. Learn. Enlighten yourself. That's the very best, most concrete recommendation I can give you.

*Some online sources, such as the frumious Wikipedia and discussion boards frequented by ignorant trolls, can be misleading or even false. Be cautious. Use judgment. Discriminate. Discern. Don't let your mind be polluted with tainted "facts" while you're standing (or sitting) in uffish thought.

Or if you don't have real world experience don't comment....He will never learn...

Ya don't gotta have 'em, but under certain conditions, "they" sometimes can be of great benefit, as can knowing what you're discussing before you hit the "Post" button.

"They" are not the same.

Hint: Before typing another inane comment, look for a reliable source of information about subjects such as: concrete curing, contraction, control joints, expansion, and fiber reinforced concrete online* or in a printed glossary of very common, basic, elementary construction terms/concepts/methods.

Take your vorpal sword in hand and slay the manxome foe of ignorance. Read. Learn. Enlighten yourself. That's the very best, most concrete recommendation I can give you.

*Some online sources, such as the frumious Wikipedia and discussion boards frequented by ignorant trolls, can be misleading or even false. Be cautious. Use judgment. Discriminate. Discern. Don't let your mind be polluted with tainted "facts" while you're standing (or sitting) in uffish thought.

So, are you saying you would pour a slab of concrete of the size to be a pool deck and would depend on fiberglass to keep it from cracking? Ok...I will concede that if you do slabs smaller than say 8 ft by 8 ft you probably won't need any kind of cut or expansion joint. Pool deck - and being extended as the original post said - just makes me think it is already bigger than that and going even bigger. But maybe it IS for an inflatable kiddie pool, and I just scaled it up in my mind, and 8 x 8 or less is what is being planned.

But, if you pour something larger than that, and don't mind it cracking at random, then by all means, use neither cuts or joints. But it will crack at random. Even with the fiberglass. And you could possibly have known that if you had ever poured concrete before. Or even looked at concrete before.

And if you believe the fiber filled concrete won't crack....well then I know for a fact you have never seen a fiber slab of any size after just a few months.

So, are you saying you would pour a slab of concrete of the size to be a pool deck and would depend on fiberglass to keep it from cracking? Ok...I will concede that if you do slabs smaller than say 8 ft by 8 ft you probably won't need any kind of cut or expansion joint. Pool deck - and being extended as the original post said - just makes me think it is already bigger than that and going even bigger. But maybe it IS for an inflatable kiddie pool, and I just scaled it up in my mind, and 8 x 8 or less is what is being planned.

But, if you pour something larger than that, and don't mind it cracking at random, then by all means, use neither cuts or joints. But it will crack at random. Even with the fiberglass. And you could possibly have known that if you had ever poured concrete before. Or even looked at concrete before.

And if you believe the fiber filled concrete won't crack....well then I know for a fact you have never seen a fiber slab of any size after just a few months.

Do you have a recommendation for the OP...If not quit shitting on the thread while you show your ignorance on Concrete.....

What I'm saying is that your comments are lacking in both knowledge and in facts. You are free to remain ignorant, however.

Best wishes for you...

And since you DO know so much - tell us about how concrete doesn't crack. Show a specific example of a slab that hasn't. If you wanna brings facts into the discussion, by all means, bring some. Give us the facts about curing/cured concrete! I would love to hear your facts!! Will be waiting....

I am looking to extend my pool deck and have what's there replaced as well. I spoke to a few neighbors who have done this in the recent past and each one has said who they have used but also said they would not reuse them at all. So I am looking for recommendations on a good concrete person/company that will do the work in a timely manner (actually show up).

Thanks!!

Talk to the concrete people you select - don't listen to the carp going on here in the thread. They will get you on the right path.

BBB and Angieslist are still good. And in spite of the recommendation by Breadbrain, Gillco Construction doesn't have any complaints and gets good marks from BBB.

And since you DO know so much - tell us about how concrete doesn't crack. Show a specific example of a slab that hasn't. If you wanna brings facts into the discussion, by all means, bring some. Give us the facts about curing/cured concrete! I would love to hear your facts!! Will be waiting....

Since I started the Fibermesh part...our slab, I'd say it's about 9' x 15' is nearly 20 years old, has zero cracks and has a car parked on it every day.

The deck will extend off the existing cool deck about 9x25 and I say about because it will have a rather large curve to it in order to match the curves already in place. The cool deck has joints and I would think for appearance purposes I would want to have the new portion match those, but as said here a concrete person worth any salt would know if I should do that or not. I have so far talked to three different concrete/pool deck companies and I am not impressed. I will take the Angies list and BBB advice though and continue my search. Thank you all for the responses.

Just to keep this going, concrete & steel have the same coefficient of expansion. That is why they work together so well in proving strength in beams and slabs from bending stress and in collums for compression. Fibers are great for holding concrete together but cracks will develop most times... unless the slab is floating.

One of my friends had a hangar built on a post-stressed slab but it still got some cracks. To be honest, the cracks may have developed before the cables were tensioned. I don't remember. What is the supposed advantage of post-stressed vs. rebar? It seems like anchoring a cable at each end of the slab would invite buckling.

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